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Jack's Professional and Jack's Classic lines often have very similar formulas.
Jacks Professional products, sold in 25lb bags, were formulated for professional growing situations and are best suited when the entire bag is used at one time. It was designed to increase efficiency for larger growing operations that operate with injectors. These products are mainly available through our wholesale distributors to commercial growers buying in pallet-size quantities.
Our Jack's Classic products sold in tubs are designed for home gardeners who may be using smaller quantities. These products contain the same grade of material that professional growers use, just packaged and blended to allow for small quantity use! Jack's Classic is found around the country at Independent Garden Center retail stores.
Yes! There are numerous reasons why the color of our fertilizers can vary.
For formulas that contain dye, it is not uncommon for the dye to fade over time, especially if the fertilizer is stored in direct sunlight.
Because we mix all of our formulas ourselves, the amount of dye added to each formula can vary between batches. Additionally, any formulas on our FeED line can vary in color due to the nature of the Fe chelate package. Fe chelates come in a variety of colors and can change the overall color of the fertilizer. It is not uncommon for FeED formulas to be blue, grey, purple, or even black.
No matter what color your fertilizer is, all the nutrients are still usable and plant available!
Can I still use a fertilizer that has mold or algae growing in it? How can I prevent mold and algae from growing in the fertilizer?
As it turns out, the high-quality nutrients that we use in our Jacks products to help keep your plants healthy are also really good for feeding things like mold and algae after they are mixed with water into a nutrient solution. You definitely want to try to avoid using a solution that begins to have growth like this. There are a few things you can do to help reduce or minimize this.
The first thing you can do is try to mix up smaller batches. You could mix up just enough solution that you will need to use in a week. Next, every time you mix up a new batch, you should try to rinse out your tank to eliminate the possibility of any residual algae or mold being in the tank. Lastly, I would suggest that you do what you can to minimize the exposure of light to your nutrient solution. Any light that hits the solution will only increase or speed up the growth of these things. If your tank is clear, you could try to cover it or maybe even give it a coat of black paint, if possible.